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Culturable fungi associated with wood decay of Picea abies in subalpine forest soils: a field-mesocosm case study

M Oliveira Longa Claudia (1)   , Davide Francioli (2), Maria Gómez-Brandón (3-4), Judith Ascher-Jenull (5-6), Tommaso Bardelli (5-6), Giacomo Pietramellara (6), Markus Egli (7), Giacomo Sartori (8), Heribert Insam (5)

iForest - Biogeosciences and Forestry, Volume 11, Issue 6, Pages 781-785 (2018)
doi: https://doi.org/10.3832/ifor2846-011
Published: Nov 28, 2018 - Copyright © 2018 SISEF

Short Communications


Fungi are the principal wood decomposers in forest ecosystems and their activity provides wood necromass to other living organisms. However, the wood decay mechanisms and the associated microbial community are largely unknown, especially in Alpine areas. In this study, the culturable fraction of fungal communities associated with the decomposition of Norway spruce (Picea abies [L.] Karst) deadwood in subalpine forest soils were determined using microbiological methods coupled with molecular identification. Fungal communities were evaluated using in-field mesocosms after one year of exposition of P. abies wood blocks along an altitudinal gradient ranging from 1200 up to 2000 m a.s.l. comprising eight subalpine sites, four of them located at north- and other four at south-facing slopes. Although many saprotrophic species were isolated from the wood blocks, several white-rot species as the pathogenic fungi Armillaria cepistipes and Heterobasidion annosum, along with soft-rot fungi such as Lecytophora sp. were identified. Our results further indicated that the wood-inhabiting fungal community was mainly influenced by topographic features and by the chemical properties of the wood blocks, providing first insights into the effect of different slope exposure on the deadwood mycobiome in the subalpine forest ecosystem.

  Keywords


Wood-inhabiting Fungi, Basidiomycota, Subalpine Forest, Wood Decomposition, Norway Spruce, Slope Exposure

Authors’ address

(1)
M Oliveira Longa Claudia
Department of Sustainable Agroecosystems and Bioresources, Research and Innovation Centre, Fondazione Edmund Mach, v. E. 1, 38010, San Michele all’Adige (Italy)
(2)
Davide Francioli
Plant Ecology and Nature Conservation Group, Wageningen University, P.O. Box 47, 6700AA Wageningen (The Netherlands)
(3)
Maria Gómez-Brandón
Institute of Microbiology, University of Innsbruck, Technikerstraβe 25d, 6020 Innsbruck (Austria)
(4)
Maria Gómez-Brandón
Departamento de Ecología y Biología Animal, Universidad de Vigo, Vigo 36310 (Spain)
(5)
Judith Ascher-Jenull
Tommaso Bardelli
Heribert Insam
Institute of Microbiology, University of Innsbruck, Technikerstraβe 25d, 6020 Innsbruck (Austria)
(6)
Judith Ascher-Jenull
Tommaso Bardelli
Giacomo Pietramellara
Department of Agrifood and Environmental Science, University of Florence, p.le delle Cascine 18, 50144 Florence (Italy)
(7)
Markus Egli
Department of Geography, University of Zürich, Winterthurerstrasse 190, 8057 Zürich (Switzerland)
(8)
Giacomo Sartori
Museo delle Scienze (MUSE), c.so del Lavoro e della Scienza 3, 38122 Trento (Italy)

Corresponding author

 
M Oliveira Longa Claudia
claudia.longa@fmach.it

Citation

Oliveira Longa Claudia M, Francioli D, Gómez-Brandón M, Ascher-Jenull J, Bardelli T, Pietramellara G, Egli M, Sartori G, Insam H (2018). Culturable fungi associated with wood decay of Picea abies in subalpine forest soils: a field-mesocosm case study. iForest 11: 781-785. - doi: 10.3832/ifor2846-011

Academic Editor

Alberto Santini

Paper history

Received: May 09, 2018
Accepted: Oct 01, 2018

First online: Nov 28, 2018
Publication Date: Dec 31, 2018
Publication Time: 1.93 months

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